CN216849526U

CN216849526U - Low-cost intelligent medium-voltage composite insulating jacket zinc oxide lightning arrester

Info

Publication number: CN216849526U
Application number: CN202122912035.0U
Authority: CN
Inventors: 朱晓萍; 陈素珍; 吴军; 刘开燕; 叶金秀; 张羽; 周宝付; 王丹丹
Original assignee: Yangzhou Zhongheng Electric Co ltd
Current assignee: Yangzhou Zhongheng Electric Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-06-28
Anticipated expiration: 2031-11-25

Abstract

The utility model belongs to the technical field of power grid lightning protection, and particularly relates to a low-cost intelligent medium-voltage composite insulating outer sleeve zinc oxide lightning arrester which comprises a lightning arrester body, wherein a sealing cap is connected to the upper end of the lightning arrester body in a threaded manner, a portable wiring assembly for connecting a ground wire is fixedly connected to the lower end of the lightning arrester body, the portable wiring assembly comprises a wiring base fixedly connected to the lower end of the lightning arrester body, a wiring board for connecting a line is connected to a positioning cavity formed in the bottom of the wiring base in a matched manner, and a positioning mechanism is arranged between the wiring board and the wiring base. According to the utility model, by arranging the portable wiring component, the wiring board in the portable wiring component is inserted on the wiring base during use, the electric terminals form connection between circuits after insertion, and then the wiring board is locked on the wiring base through the positioning mechanism, so that the portable wiring component is simple and convenient to mount and convenient to operate and use on site.

Description

Low-cost intelligent medium-voltage composite insulating jacket zinc oxide lightning arrester

Technical Field

The utility model relates to the technical field of power grid lightning protection, in particular to a low-cost intelligent medium-voltage composite insulating outer sleeve zinc oxide lightning arrester.

Background

The zinc oxide lightning arrester has good protection performance, and the current flowing through the lightning arrester is extremely small (microampere or milliampere) at normal working voltage by utilizing the good nonlinear volt-ampere characteristic of the zinc oxide; when overvoltage acts, the resistance drops sharply, and the energy of overvoltage is discharged, so that the protection effect is achieved.

1. Firstly, the design of a connecting mechanism of a circuit for connecting the bottom of the zinc oxide arrester with the ground wire is unreasonable, and bolts are generally adopted for connection at the present stage, but the mode is inconvenient to install, easy to generate corrosion, inconvenient to operate on site and especially not suitable for high-altitude operation.

2. Secondly, the installation mode of zinc oxide arrester is unreasonable at present stage, and the zinc oxide arrester is installed in the high altitude, receives the influence of wind-force easily, rocks the effect greatly, lacks the slow-pressure protection mechanism.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a low-cost intelligent medium-voltage composite insulating jacket zinc oxide arrester, and solves the problem that wiring is not simple and convenient enough due to unreasonable design of a wiring line at the bottom of the zinc oxide arrester at the present stage.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

low-cost intelligent middling pressure type composite insulation overcoat zinc oxide arrester, including the arrester body, the upper end threaded connection of arrester body has sealed cap, the lower extreme fixedly connected with of arrester body is used for the portable wiring subassembly of connecting the ground wire, portable wiring subassembly includes the wiring base of fixed connection at arrester body lower extreme, the cooperation is connected with the wiring board that is used for the intercommunication circuit on the location chamber that wiring base bottom was seted up, be provided with positioning mechanism between wiring board and the wiring base, fixedly connected with annular positioning seat on the arrester body, and the terminal fixedly connected with mounting panel of the even board of annular positioning seat outer wall setting.

Furthermore, be provided with the pressure relief support between mounting panel and the company board, and even equal fixedly connected with extension spring in both sides of board, the end-to-end connection of extension spring is on the mounting panel.

Furthermore, sliding blocks arranged on two sides of the wiring board are connected to a track of the wiring base in a sliding mode, and buckles arranged at the end portions of the wiring board are connected to clamping grooves of the wiring base in a buckling mode.

Furthermore, the wiring board is provided with an electric terminal for connecting the electric transmission line in the arrester body and the ground wire electric connection line.

Furthermore, an annular cavity for slidably fitting the positioning mechanism is formed in the position, corresponding to the positioning cavity, of the wiring base, the positioning mechanism comprises a sliding handle which is slidably fitted outside the annular cavity, and an arc-shaped rod connected to the sliding handle is slidably connected into an annular jack formed in the wiring base.

(III) advantageous effects

Compared with the prior art, the utility model provides the low-cost intelligent medium-voltage composite insulating jacket zinc oxide arrester which has the following beneficial effects:

1. according to the utility model, by arranging the portable wiring assembly, the wiring board in the portable wiring assembly is inserted on the wiring base, the electric terminals are connected to form connection between circuits after insertion, and then the positioning mechanism is slid in the annular cavity body, so that the wiring board is locked on the wiring base.

2. According to the lightning arrester, the annular positioning seat is arranged on the lightning arrester body, the mounting plate is fixed on the connecting plate arranged on the annular positioning seat, the lightning arrester body is convenient to mount and use, the pressure-relieving support is arranged between the connecting plate and the mounting plate to play a pressure-relieving role, and meanwhile, tension springs are arranged between the side wall of the connecting plate and the mounting plate to play a stretching and positioning role and enhance the pressure-relieving role so as to protect the lightning arrester body, so that the lightning arrester has a good use effect.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

fig. 3 is an exploded view of the portable wiring assembly of the present invention.

In the figure: 1. a lightning arrester body; 2. an annular positioning seat; 3. a portable wiring assembly; 31. a wiring base; 311. an annular cavity; 312. a card slot; 313. a positioning cavity; 314. a track; 315. an annular receptacle; 32. a wiring board; 321. buckling; 322. a slider; 323. an electric terminal is connected; 33. a positioning mechanism; 331. a sliding handle; 332. an arcuate bar; 4. mounting a plate; 5. a sealing cap; 6. connecting plates; 7. a tension spring; 8. and a pressure-relieving support.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-3, an intelligent low-cost medium-voltage composite insulating coated zinc oxide arrester provided by an embodiment of the present invention includes an arrester body 1, a sealing cap 5 is connected to an upper end of the arrester body 1 by a thread, a portable wiring component 3 for connecting a ground wire is fixedly connected to a lower end of the arrester body 1, the portable wiring component 3 includes a wiring base 31 fixedly connected to a lower end of the arrester body 1, a positioning cavity 313 formed at a bottom of the wiring base 31 is fittingly connected to a wiring board 32 for connecting a line, a positioning mechanism 33 is disposed between the wiring board 32 and the wiring base 31, an annular positioning seat 2 is fixedly connected to the arrester body 1, and a mounting plate 4 is fixedly connected to a terminal of a connecting plate 6 disposed on an outer wall of the annular positioning seat 2; in summary, when the arrester body 1 is installed, the fixing and installing plate 4 can be fixedly connected to the installation position to fix and install the arrester body 1, when a grounding line needs to be connected, the wiring board 32 is inserted into the positioning cavity 313 formed in the bottom of the wiring base 31, and then the wiring board 32 is fixed on the wiring base 31 by the positioning mechanism 33, so that the conditions of shaking and unstable position are avoided; this mode is simple and convenient to use, when carrying out the switch-on of ground wire circuit, only need with wiring board 32 peg graft on the location chamber 313 of seting up in wiring base 31 bottom can, later slide positioning mechanism 33, it is fixed to realize the cooperation between positioning mechanism 33 and the wiring board 32, it is very simple and convenient, connection mode for traditional has had very big improvement, make things convenient for staff's high altitude construction, it has fine field usage meaning, arrester body 1 is easy to assemble simultaneously, the stability of installation is good, can form the protection of arrester body 1.

As shown in fig. 1 and 2, in some embodiments, a pressure relief support 8 is disposed between the mounting plate 4 and the connecting plate 6, and both sides of the connecting plate 6 are fixedly connected with tension springs 7, and the tail ends of the tension springs 7 are connected to the mounting plate 4, so that the tension springs 7 can generate tension on the connecting plate 6 during use, and prevent the connecting plate 6 from being unstable in position, thereby forming pressure relief protection of the arrester body 1.

As shown in fig. 3, in some embodiments, the sliding blocks 322 disposed on two sides of the wiring board 32 are slidably connected to the rails 314 of the wiring base 31, and the fasteners 321 disposed on the end portions of the wiring board 32 are snap-connected to the slots 312 of the wiring base 31, when the wiring board 32 is mounted, the sliding blocks 322 disposed on two sides of the wiring board 32 are slidably connected to the rails 314 of the wiring base 31, so as to realize the matching of the wiring board 32 in the positioning cavity 313, and then the fasteners 321 are snap-connected to the slots 312 of the wiring base 31, so as to realize the positioning and fixing of the wiring board 32.

As shown in fig. 3, in some embodiments, the connection board 32 is provided with an electrical terminal 323 for connecting an electrical transmission line and an electrical ground line in the arrester body 1, and when the connection board 32 is mounted on the connection base 31, the electrical terminal 323 is connected with the electrical transmission line in the arrester body 1, so that the electrical transmission line in the arrester body 1 is connected with the electrical ground line to form a closed path.

As shown in fig. 3, in some embodiments, a ring-shaped cavity 311 for slidably fitting the positioning mechanism 33 is formed at a position of the wiring base 31 corresponding to the positioning cavity 313, the positioning mechanism 33 includes a sliding handle 331 slidably fitted outside the ring-shaped cavity 311, and an arc-shaped rod 332 connected to the sliding handle 331 is slidably connected to a ring-shaped jack 315 formed in the wiring base 31, when the wiring board 32 needs to be fixed on the wiring base 31, the sliding handle 331 on the positioning mechanism 33 can be slid, the sliding handle 331 is slid on the ring-shaped cavity 311, the ring-shaped cavity 311 is connected to the ring-shaped jack 315 inside, so that the arc-shaped rod 332 connected to the sliding handle 331 can be slid in the ring-shaped jack 315, and the ring-shaped jack 315 is simultaneously formed in the wiring board 32, thereby positioning of the arc-shaped rod 332 on the wiring board 32 is achieved, the method is convenient to use, and can rapidly achieve positioning and fixing of the wiring board 32, the safety and the firmness are realized, the sealing performance is strong, the infiltration of impurities such as moisture and the like is avoided, and the using effect of the device is ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Low-cost intelligent middling pressure class composite insulation overcoat zinc oxide arrester, including arrester body (1), its characterized in that: the utility model discloses a lightning arrester, including lightning arrester body (1), the upper end threaded connection of lightning arrester body (1) has sealing cap (5), the lower extreme fixedly connected with of lightning arrester body (1) is used for connecting the portable wiring subassembly (3) of ground wire, portable wiring subassembly (3) are including wiring base (31) of fixed connection at lightning arrester body (1) lower extreme, the cooperation is connected with wiring board (32) that are used for the intercommunication circuit on location chamber (313) that wiring base (31) bottom was seted up, be provided with positioning mechanism (33) between wiring board (32) and wiring base (31), fixedly connected with annular positioning seat (2) on lightning arrester body (1), and terminal fixedly connected with mounting panel (4) of even board (6) that annular positioning seat (2) outer wall set up.

2. The low-cost intelligent medium-voltage composite insulating jacket zinc oxide arrester as claimed in claim 1, wherein: mounting panel (4) and link to be provided with between board (6) and slowly press support (8), and link equal fixedly connected with extension spring (7) in both sides of board (6), the end-to-end connection of extension spring (7) is on mounting panel (4).

3. The low-cost intelligent medium-voltage composite insulating jacket zinc oxide arrester as claimed in claim 1, wherein: sliding blocks (322) arranged on two sides of the wiring board (32) are connected to a track (314) of the wiring base (31) in a sliding mode, and buckles (321) arranged at the end portion of the wiring board (32) are connected to clamping grooves (312) of the wiring base (31) in a buckling mode.

4. The low-cost intelligent medium-voltage composite insulating jacket zinc oxide arrester as claimed in claim 1, wherein: and the wiring board (32) is provided with an electric connection terminal (323) for connecting a power transmission line and a ground wire electric connection line in the lightning arrester body (1).

5. The low-cost intelligent medium-voltage composite insulating jacket zinc oxide arrester as claimed in claim 1, wherein: the wire connection base is characterized in that an annular cavity (311) used for being in sliding fit with the positioning mechanism (33) is formed in the position, corresponding to the positioning cavity (313), of the wire connection base (31), the positioning mechanism (33) comprises a sliding handle (331) in sliding fit with the outer portion of the annular cavity (311), and an arc-shaped rod (332) connected to the sliding handle (331) is connected to an annular insertion hole (315) formed in the wire connection base (31) in a sliding mode.